RT Journal Article SR Electronic T1 THE NATIONAL HEART HOSPITAL 1857–1957 JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 137 OP 139 DO 10.1136/hrt.20.1.137 VO 20 IS 1 A1 Maurice Campbell YR 1958 UL http://heart.bmj.com/content/20/1/137.abstract AB